OCR Gateway GCSE Combined Science past papers
OCR Gateway GCSE Combined Science June 2023 Paper 4
- J250/04
- Foundation
- Chemistry 2
- 1 hour 10 minutes
- 60 marks
Question paper, Mark scheme, Examiner report: on the OCR website.
Practise this paper's topics
5 new exam questions, 20 minutes, marked as you go. Free, no account.
- Reactivity, extraction and reduction
- Rates of reaction, collisions and catalysts
- Crude oil, alkanes, cracking and alkenes
- Group 1 and Group 7
- Atmospheric pollutants
What it tested
- Chemical changes17 marks
- Rates and equilibrium15 marks
- Organic chemistry10 marks
- Atomic structure and the periodic table8 marks
- The atmosphere8 marks
- Bonding and structure1 marks
- Q1Group 1 and Group 71 mark
- Q2Greenhouse gases, climate change and carbon footprints1 mark
- Q3Reactivity, extraction and reduction1 mark
- Q4Not in our course1 mark
- Q5The atmosphere, then and now1 mark
- Q6States of matter and properties of substances1 mark
- Q7Rates of reaction, collisions and catalystsExothermic and endothermic reactions, reaction profiles1 mark
- Q8Group 1 and Group 71 mark
8 more questions
- Q9Rates of reaction, collisions and catalysts1 mark
- Q10Rates of reaction, collisions and catalysts1 mark
- Q11Reactivity, extraction and reductionGroup 1 and Group 75 marks
- Q12Crude oil, alkanes, cracking and alkenes10 marks
- Q13Group 1 and Group 76 marks
- Q14Atmospheric pollutantsGreenhouse gases, climate change and carbon footprints6 marks
- Q15Reactivity, extraction and reductionLife cycle assessment and recycling11 marks
- Q16Rates of reaction, collisions and catalystsAcids, salts and pH12 marks
June 2023 Foundation grade boundaries
Marks needed across all six Foundation papers, out of 360.
- 5-5210
- 5-4192
- 4-4175
- 4-3153
- 3-3131
- 3-2109
- 2-288
- 2-167
- 1-146
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